Project Pop Up: Picnic: Friday from 11:30 a.m. to 1:30 p.m. The new restaurant Hundred Wood will offer three pre-ordered picnic lunches in the Upper Mellon Green at Ross Street and Sixth Avenue. Picnic blankets will be provided. Entertainment by local singer Joel Lindsey.

Salsa in the Square: Friday at 5 p.m. Live music by Machete and free dance instruction by Las Sabras Dance Company in Market Square.

All Access Downtown: Saturday. Five walking tours offered by the Pittsburgh History & Landmarks Foundation; a special tour of public art by the Office of Public Art; many churches open and available fortours; rooftop of U.S. Steel Building, Cultural District venues and Downtown residential properties available for tours.